| Author |
Message |
mattymatmat
Guest
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 Posted:
Thu Jan 13, 2005 1:35 am Post subject:
DNS Problems |
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Heres my setup:
BoxA: DNS (Active Directory) Server, Exchange
BoxB: DNS (ACtive Directory) Server, File Server
Lets say my domain is newb.com
and the internal IP's for Box A is 192.168.3.2 and Box B 192.168.3.3
When I look at the dns tables I see all the computers on my domain (normal)
as well as:
BoxA DNS Table
(same as parent folder) SOA BoxA.newb.com.
(same as parent folder) Name Server (NS) BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxA.newb.com.
(same as parent folder) Host (A) 192.168.3.2
(same as parent folder) Host (A) 192.168.3.3
(same as parent folder) Mail Exchanger (MX) [10] BoxA.newb.com.
BoxB DNS Table
(same as parent folder) SOA BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxA.newb.com.
(same as parent folder) Host (A) 192.168.3.2
(same as parent folder) Host (A) 192.168.3.3
(same as parent folder) Mail Exchanger (MX) [10] BoxA.newb.com.
My problem is this, sometimes when I ping newb.com I get 192.168.3.2 and
sometimes I'll get 192.168.3.3. I want to always get 192.168.3.2. I've
tried removing the (same as parent folder) Host (A) 192.168.3.3 in the dns
tables but it seems to reappear within a day. I thought maybe it was because
of the round robin feature so i even disabled that. Should both servers be
set to SOA for themselves? BoxA's table has itself as SOA and BoxB has
itself as SOA. On all client machines BoxA (192.168.3.2) is the primary DNS
and BoxB (192.168.3.3) is the secondary DNS. Maybe they should all be the
same SOA? Like BoxA as the sole SOA?
Basically for peoples SMTP server setting in their mail programs they use
newb.com, and sometimes it can't find the server because its looking at the
wrong IP periodically. My temp solution has been to delete the (same as
parent folder) Host (A) 192.168.3.3 record so it only resolves to
192.168.3.2 but as I mentioned that deleted record recreates itself.
Any help would be greatly appreciated. Thanks!
Aloha,
Matt |
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John Smith
Guest
|
| Posted:
Thu Jan 13, 2005 2:22 am Post subject:
Re: DNS Problems |
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add a specific entry for newb.com
eg:
newb.com Host (A) 192.168.3.2
anything else that uses 192.168.3.2 as its address in your dns, you can
use CNAME records: eg mail.newb.com host (CNAME) newb.com
mahalo
On Wed, 12 Jan 2005 11:35:02 -0800, mattymatmat wrote:
| Quote: | Heres my setup:
BoxA: DNS (Active Directory) Server, Exchange
BoxB: DNS (ACtive Directory) Server, File Server
Lets say my domain is newb.com
and the internal IP's for Box A is 192.168.3.2 and Box B 192.168.3.3
When I look at the dns tables I see all the computers on my domain (normal)
as well as:
BoxA DNS Table
(same as parent folder) SOA BoxA.newb.com.
(same as parent folder) Name Server (NS) BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxA.newb.com.
(same as parent folder) Host (A) 192.168.3.2
(same as parent folder) Host (A) 192.168.3.3
(same as parent folder) Mail Exchanger (MX) [10] BoxA.newb.com.
BoxB DNS Table
(same as parent folder) SOA BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxA.newb.com.
(same as parent folder) Host (A) 192.168.3.2
(same as parent folder) Host (A) 192.168.3.3
(same as parent folder) Mail Exchanger (MX) [10] BoxA.newb.com.
My problem is this, sometimes when I ping newb.com I get 192.168.3.2 and
sometimes I'll get 192.168.3.3. I want to always get 192.168.3.2. I've
tried removing the (same as parent folder) Host (A) 192.168.3.3 in the dns
tables but it seems to reappear within a day. I thought maybe it was because
of the round robin feature so i even disabled that. Should both servers be
set to SOA for themselves? BoxA's table has itself as SOA and BoxB has
itself as SOA. On all client machines BoxA (192.168.3.2) is the primary DNS
and BoxB (192.168.3.3) is the secondary DNS. Maybe they should all be the
same SOA? Like BoxA as the sole SOA?
Basically for peoples SMTP server setting in their mail programs they use
newb.com, and sometimes it can't find the server because its looking at the
wrong IP periodically. My temp solution has been to delete the (same as
parent folder) Host (A) 192.168.3.3 record so it only resolves to
192.168.3.2 but as I mentioned that deleted record recreates itself.
Any help would be greatly appreciated. Thanks!
Aloha,
Matt |
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|
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|
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mattymatmat
Guest
|
| Posted:
Thu Jan 13, 2005 3:11 am Post subject:
Re: DNS Problems |
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|
(same as parent folder) Host(A) 192.168.3.2
That is the closest thing I can do to explicitly name newb.com. The CNAME
thing would probably work too, but I was hoping there was a way to set a
precedence so that one IP for the domain would resolve first all the time,
192.168.3.2 over 192.168.3.3
Aloha,
Matt
"John Smith" wrote:
| Quote: | add a specific entry for newb.com
eg:
newb.com Host (A) 192.168.3.2
anything else that uses 192.168.3.2 as its address in your dns, you can
use CNAME records: eg mail.newb.com host (CNAME) newb.com
mahalo
On Wed, 12 Jan 2005 11:35:02 -0800, mattymatmat wrote:
Heres my setup:
BoxA: DNS (Active Directory) Server, Exchange
BoxB: DNS (ACtive Directory) Server, File Server
Lets say my domain is newb.com
and the internal IP's for Box A is 192.168.3.2 and Box B 192.168.3.3
When I look at the dns tables I see all the computers on my domain (normal)
as well as:
BoxA DNS Table
(same as parent folder) SOA BoxA.newb.com.
(same as parent folder) Name Server (NS) BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxA.newb.com.
(same as parent folder) Host (A) 192.168.3.2
(same as parent folder) Host (A) 192.168.3.3
(same as parent folder) Mail Exchanger (MX) [10] BoxA.newb.com.
BoxB DNS Table
(same as parent folder) SOA BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxA.newb.com.
(same as parent folder) Host (A) 192.168.3.2
(same as parent folder) Host (A) 192.168.3.3
(same as parent folder) Mail Exchanger (MX) [10] BoxA.newb.com.
My problem is this, sometimes when I ping newb.com I get 192.168.3.2 and
sometimes I'll get 192.168.3.3. I want to always get 192.168.3.2. I've
tried removing the (same as parent folder) Host (A) 192.168.3.3 in the dns
tables but it seems to reappear within a day. I thought maybe it was because
of the round robin feature so i even disabled that. Should both servers be
set to SOA for themselves? BoxA's table has itself as SOA and BoxB has
itself as SOA. On all client machines BoxA (192.168.3.2) is the primary DNS
and BoxB (192.168.3.3) is the secondary DNS. Maybe they should all be the
same SOA? Like BoxA as the sole SOA?
Basically for peoples SMTP server setting in their mail programs they use
newb.com, and sometimes it can't find the server because its looking at the
wrong IP periodically. My temp solution has been to delete the (same as
parent folder) Host (A) 192.168.3.3 record so it only resolves to
192.168.3.2 but as I mentioned that deleted record recreates itself.
Any help would be greatly appreciated. Thanks!
Aloha,
Matt
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|
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John Smith
Guest
|
| Posted:
Thu Jan 13, 2005 3:18 am Post subject:
Re: DNS Problems |
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|
i think if u dont use the cname method, roundrobin is the default method
for resolution, and i'm not sure if it can be disabled - it's more of a
side effect than anything.
On Wed, 12 Jan 2005 13:11:04 -0800, mattymatmat wrote:
| Quote: | (same as parent folder) Host(A) 192.168.3.2
That is the closest thing I can do to explicitly name newb.com. The CNAME
thing would probably work too, but I was hoping there was a way to set a
precedence so that one IP for the domain would resolve first all the time,
192.168.3.2 over 192.168.3.3
Aloha,
Matt
"John Smith" wrote:
add a specific entry for newb.com
eg:
newb.com Host (A) 192.168.3.2
anything else that uses 192.168.3.2 as its address in your dns, you can
use CNAME records: eg mail.newb.com host (CNAME) newb.com
mahalo
On Wed, 12 Jan 2005 11:35:02 -0800, mattymatmat wrote:
Heres my setup:
BoxA: DNS (Active Directory) Server, Exchange
BoxB: DNS (ACtive Directory) Server, File Server
Lets say my domain is newb.com
and the internal IP's for Box A is 192.168.3.2 and Box B 192.168.3.3
When I look at the dns tables I see all the computers on my domain (normal)
as well as:
BoxA DNS Table
(same as parent folder) SOA BoxA.newb.com.
(same as parent folder) Name Server (NS) BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxA.newb.com.
(same as parent folder) Host (A) 192.168.3.2
(same as parent folder) Host (A) 192.168.3.3
(same as parent folder) Mail Exchanger (MX) [10] BoxA.newb.com.
BoxB DNS Table
(same as parent folder) SOA BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxA.newb.com.
(same as parent folder) Host (A) 192.168.3.2
(same as parent folder) Host (A) 192.168.3.3
(same as parent folder) Mail Exchanger (MX) [10] BoxA.newb.com.
My problem is this, sometimes when I ping newb.com I get 192.168.3.2 and
sometimes I'll get 192.168.3.3. I want to always get 192.168.3.2. I've
tried removing the (same as parent folder) Host (A) 192.168.3.3 in the dns
tables but it seems to reappear within a day. I thought maybe it was because
of the round robin feature so i even disabled that. Should both servers be
set to SOA for themselves? BoxA's table has itself as SOA and BoxB has
itself as SOA. On all client machines BoxA (192.168.3.2) is the primary DNS
and BoxB (192.168.3.3) is the secondary DNS. Maybe they should all be the
same SOA? Like BoxA as the sole SOA?
Basically for peoples SMTP server setting in their mail programs they use
newb.com, and sometimes it can't find the server because its looking at the
wrong IP periodically. My temp solution has been to delete the (same as
parent folder) Host (A) 192.168.3.3 record so it only resolves to
192.168.3.2 but as I mentioned that deleted record recreates itself.
Any help would be greatly appreciated. Thanks!
Aloha,
Matt
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|
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mattymatmat
Guest
|
| Posted:
Thu Jan 13, 2005 3:31 am Post subject:
Re: DNS Problems |
|
|
Round Robin can be enabled and disabled in under the Advanced tab under the
DNS servers properties. I set both of my DNS servers to disable round robin.
I had netmask ordering enabled but I got the same effect, so I tried
disabling it and I'm still not getting the IP I want.
Matt
"John Smith" wrote:
| Quote: | i think if u dont use the cname method, roundrobin is the default method
for resolution, and i'm not sure if it can be disabled - it's more of a
side effect than anything.
On Wed, 12 Jan 2005 13:11:04 -0800, mattymatmat wrote:
(same as parent folder) Host(A) 192.168.3.2
That is the closest thing I can do to explicitly name newb.com. The CNAME
thing would probably work too, but I was hoping there was a way to set a
precedence so that one IP for the domain would resolve first all the time,
192.168.3.2 over 192.168.3.3
Aloha,
Matt
"John Smith" wrote:
add a specific entry for newb.com
eg:
newb.com Host (A) 192.168.3.2
anything else that uses 192.168.3.2 as its address in your dns, you can
use CNAME records: eg mail.newb.com host (CNAME) newb.com
mahalo
On Wed, 12 Jan 2005 11:35:02 -0800, mattymatmat wrote:
Heres my setup:
BoxA: DNS (Active Directory) Server, Exchange
BoxB: DNS (ACtive Directory) Server, File Server
Lets say my domain is newb.com
and the internal IP's for Box A is 192.168.3.2 and Box B 192.168.3.3
When I look at the dns tables I see all the computers on my domain (normal)
as well as:
BoxA DNS Table
(same as parent folder) SOA BoxA.newb.com.
(same as parent folder) Name Server (NS) BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxA.newb.com.
(same as parent folder) Host (A) 192.168.3.2
(same as parent folder) Host (A) 192.168.3.3
(same as parent folder) Mail Exchanger (MX) [10] BoxA.newb.com.
BoxB DNS Table
(same as parent folder) SOA BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxB.newb.com.
(same as parent folder) Name Server (NS) BoxA.newb.com.
(same as parent folder) Host (A) 192.168.3.2
(same as parent folder) Host (A) 192.168.3.3
(same as parent folder) Mail Exchanger (MX) [10] BoxA.newb.com.
My problem is this, sometimes when I ping newb.com I get 192.168.3.2 and
sometimes I'll get 192.168.3.3. I want to always get 192.168.3.2. I've
tried removing the (same as parent folder) Host (A) 192.168.3.3 in the dns
tables but it seems to reappear within a day. I thought maybe it was because
of the round robin feature so i even disabled that. Should both servers be
set to SOA for themselves? BoxA's table has itself as SOA and BoxB has
itself as SOA. On all client machines BoxA (192.168.3.2) is the primary DNS
and BoxB (192.168.3.3) is the secondary DNS. Maybe they should all be the
same SOA? Like BoxA as the sole SOA?
Basically for peoples SMTP server setting in their mail programs they use
newb.com, and sometimes it can't find the server because its looking at the
wrong IP periodically. My temp solution has been to delete the (same as
parent folder) Host (A) 192.168.3.3 record so it only resolves to
192.168.3.2 but as I mentioned that deleted record recreates itself.
Any help would be greatly appreciated. Thanks!
Aloha,
Matt
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